I always thought the map element was an underutilized feature. When I was a kid I really enjoyed glorified mazes like the Bone Garden Estate, which inspired me to make my own stateless "games" using MSPaint and HTML.
It didn't really teach me anything about programming, but it seemed like such a novel thing to put hyperlinks on parts of images.
https://web.archive.org/web/20010301200926/http://www.bonega...